From21

This tool is a 404 error management solution for website owners and administrators. It automatically intervenes when a visitor encounters a broken or non-existent page link, preventing a dead-end experience and helping to retain site traffic.

• Smart Internal Search: When a 404 error occurs, the tool instantly performs a search across your website's content to find the most relevant existing pages or posts.
• Visitor-Friendly Suggestions: Instead of displaying a generic error message, it presents users with a search interface and potential alternatives, guiding them back to useful content.
• Reduces Bounce Rates: By providing an immediate path forward from a broken link, it discourages visitors from leaving your site out of frustration, helping to maintain engagement metrics.
• Simple Implementation: The solution is designed for straightforward setup on content management systems, requiring minimal technical configuration to become active.
• Preserves Link Equity: By redirecting traffic from old or mistyped URLs to functioning pages, it helps capture the value of inbound links that would otherwise be lost.